Synthesis, structure, and reactivity of (C5H4SiMe3)2Y{(μ-FC6F4)(μ-Me)B(C6F5)2}:: Tight ion pairing in a cationic lanthanide complex

被引:60
作者
Song, XJ [1 ]
Thornton-Pett, M [1 ]
Bochmann, M [1 ]
机构
[1] Univ Leeds, Sch Chem, Leeds LS2 9TH, W Yorkshire, England
关键词
D O I
10.1021/om971044s
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction of [Cp'2YMe](2) (Cp' = C5H5, C5H4SiMe3) with B(C6F5)(3) affords the complexes Cp'Y-2{MeB(C6F5)(3)}. The anion is coordinated in a chelating fashion via one ortho-fluorine atom and agostic interactions to two of the methyl hydrogens; the complexes are highly fluxional in solution. They act as initiators for the carbocationic polymerization of isobutene.
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页码:1004 / 1006
页数:3
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